X-Message-Number: 24332
Date: Sun, 4 Jul 2004 20:10:44 -0700 (PDT)
From: Doug Skrecky <>
Subject: 142'nd update on fly longevity experiments
This is the 142'nd update of my fly longevity experiments. Average
temperature was 23.6 C during this run. Estimated maximal longevity using
the formula (363 - T*11.2) is 99 days.
Here I test a number of pills I picked up from a Chinese store, and
compare them to additions of sugars. One pill called
tonic-for-rejuventation I selected just for the name.
The tonic did OK anyhow, as did the "cataract" tablets. However
inexpensive common table sugar (sucrose) was effective as well. Once again
sucrose out-pointed fructose. I hypothesize that the advantage of added
sugars might be due to (osmotic) inhibition of bacteria.
Run #142 Percent Survival on Day
supplement 10 21 26 33 38 47 53 58 63 68 80 89 95
_________________________________________________________________
control one 100 97 90 82 59 23 21 21 13 3 0 - -
control two 91 83 83 74 65 22 17 11 7 7 0 - -
cataract pill,1 tab 100 89 78 50 39 20 15 13 9 7 7 0 -
cataract pill, 4 tab 98 94 87 72 63 50 26 26 17 13 2 0 -
fructose 2 tsp 98 91 84 73 60 33 24 18 9 7 2 0 -
sucrose 1 tsp 97 94 94 68 65 48 36 23 23 19 7 0 -
sucrose 2 tsp 95 90 90 88 71 44 39 37 27 24 12 2 0
sucrose 3 tsp 100 94 94 80 73 51 37 35 24 20 12 0 -
sugar, brown 2 tsp 97 87 78 73 62 49 43 35 24 16 0 - -
tienchi 1 tab 100 94 85 59 39 28 13 9 2 0 - - -
tienchi 4 tab 88 82 70 49 49 33 18 18 9 6 0 - -
tonic-for-rejuvenation-1 100 92 92 64 64 41 23 21 15 15 13 3 0
tonic-for-rejuvenation-4 95 95 92 76 71 63 47 45 37 32 3 0 -
wu mei tea 0.3% 89 86 82 61 36 36 21 7 4 0 - - -
wu mei tea 16.7% 92 100 92 81 69 46 35 27 23 4 0 - -
+ ling zhi 600mg 87 80 77 64 56 41 36 21 8 8 3 0 -
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